Outdoor lamp cover



FIG. 1 is a perspective view taken from the left side of the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a front view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for an outdoor lamp cover, as shown and described. 